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Why does static electricity make peoples hair sand up?
Question Date: 2005-12-08
Answer 1:

Electrons have a negative charge, and liken charges repel each-other. If you get an electric charge on your body, it will run to the most distant parts it can from other parts on you, such as your different strands of hair, and that done, the hairs will repel each-other to be as far from each-other as possible due to their charge, and that means standing up.

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